private static void OnRegisterReply(ServiceRef sdRef, ServiceFlags flags, ServiceError errorCode,
string name, string regtype, string domain, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var registerService = handle.Target as RegisterService;
RegisterServiceEventArgs args = new RegisterServiceEventArgs();
args.Service = registerService;
args.IsRegistered = false;
args.ServiceError = (ServiceErrorCode)errorCode;
if (errorCode == ServiceError.NoError)
{
registerService.Name = name;
registerService.RegType = regtype;
registerService.ReplyDomain = domain;
args.IsRegistered = true;
}
RegisterServiceEventHandler handler = registerService.Response;
if (handler != null)
{
handler(registerService, args);
}
}
private static void OnBrowseReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex, ServiceError errorCode,
string serviceName, string regtype, string replyDomain, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var serviceBrowser = handle.Target as ServiceBrowser;
BrowseService service = new BrowseService();
service.Flags = flags;
service.Name = serviceName;
service.RegType = regtype;
service.ReplyDomain = replyDomain;
service.InterfaceIndex = interfaceIndex;
service.AddressProtocol = serviceBrowser.address_protocol;
Log.To.Discovery.V(TAG, "{0} (0x{1}) entered OnBrowseReply (found={2} flags={3})",
serviceBrowser, sdRef.Raw.ToString("X"), service, flags);
ServiceBrowseEventArgs args = new ServiceBrowseEventArgs(
service, (flags & ServiceFlags.MoreComing) != 0);
if ((flags & ServiceFlags.Add) != 0)
{
lock (serviceBrowser.service_table) {
if (serviceBrowser.service_table.ContainsKey(serviceName))
{
serviceBrowser.service_table[serviceName] = service;
}
else
{
serviceBrowser.service_table.Add(serviceName, service);
}
}
ServiceBrowseEventHandler handler = serviceBrowser._serviceAdded;
if (handler != null)
{
handler(serviceBrowser, args);
}
}
else
{
lock (serviceBrowser.service_table) {
if (serviceBrowser.service_table.ContainsKey(serviceName))
{
serviceBrowser.service_table.Remove(serviceName);
}
}
ServiceBrowseEventHandler handler = serviceBrowser._serviceRemoved;
if (handler != null)
{
handler(serviceBrowser, args);
}
service.Dispose();
}
}
private static void OnResolveReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, string hosttarget, ushort port, ushort txtLen,
IntPtr txtRecord, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var browseService = handle.Target as BrowseService;
Log.To.Discovery.V(Tag, "Resolve reply received for {0} (0x{1}), entering DNSServiceQueryRecord next",
browseService, sdRef.Raw.ToString("X"));
browseService.is_resolved = true;
browseService.resolve_pending = false;
browseService.InterfaceIndex = interfaceIndex;
browseService.FullName = fullname;
browseService.Port = (ushort)IPAddress.NetworkToHostOrder((short)port);
browseService.TxtRecord = new TxtRecord(txtLen, txtRecord);
sdRef.Deallocate();
// Run an A query to resolve the IP address
ServiceRef sd_ref;
if (browseService.AddressProtocol == AddressProtocol.Any || browseService.AddressProtocol == AddressProtocol.IPv4)
{
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A, ServiceClass.IN, browseService.query_record_reply_handler, context);
if (error != ServiceError.NoError)
{
Log.To.Discovery.W(Tag, "Error in DNSServiceQueryRecord {0}", error);
browseService.Error(browseService, new ServiceErrorEventArgs("ResolveReply (IPv4)", error));
sd_ref.Deallocate();
return;
}
sd_ref.ProcessSingle(ServiceParams.Timeout);
}
if (browseService.AddressProtocol == AddressProtocol.Any || browseService.AddressProtocol == AddressProtocol.IPv6)
{
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.AAAA, ServiceClass.IN, browseService.query_record_reply_handler, context);
if (error != ServiceError.NoError)
{
if (error != ServiceError.NoError)
{
Log.To.Discovery.W(Tag, "Error in DNSServiceQueryRecord {0}", error);
browseService.Error(browseService, new ServiceErrorEventArgs("ResolveReply (IPv6)", error));
sd_ref.Deallocate();
return;
}
}
sd_ref.ProcessSingle(ServiceParams.Timeout);
}
}
private void OnResolveReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, IntPtr fullname, string hosttarget, ushort port, ushort txtLen,
IntPtr txtRecord, IntPtr contex)
{
is_resolved = true;
resolve_pending = false;
InterfaceIndex = interfaceIndex;
FullName = Native.Utf8toString(fullname);
this.port = (ushort)IPAddress.NetworkToHostOrder((short)port);
TxtRecord = new TxtRecord(txtLen, txtRecord);
this.hosttarget = hosttarget;
sdRef.Deallocate();
// Run an A query to resolve the IP address
ServiceRef sd_ref;
if (AddressProtocol == AddressProtocol.Any || AddressProtocol == AddressProtocol.IPv4)
{
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A, ServiceClass.IN, query_record_reply_handler, IntPtr.Zero);
if (error != ServiceError.NoError)
{
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
if (AddressProtocol == AddressProtocol.Any || AddressProtocol == AddressProtocol.IPv6)
{
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.AAAA, ServiceClass.IN, query_record_reply_handler, IntPtr.Zero);
if (error != ServiceError.NoError)
{
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
if (hostentry.AddressList != null)
{
ServiceResolvedEventHandler handler = Resolved;
if (handler != null)
{
handler(this, new ServiceResolvedEventArgs(this));
}
}
}
private void OnBrowseReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex, ServiceError errorCode,
IntPtr serviceName, string regtype, string replyDomain, IntPtr context)
{
string name = Native.Utf8toString(serviceName);
BrowseService service = new BrowseService();
service.Flags = flags;
service.Name = name;
service.RegType = regtype;
service.ReplyDomain = replyDomain;
service.InterfaceIndex = interfaceIndex;
service.AddressProtocol = address_protocol;
ServiceBrowseEventArgs args = new ServiceBrowseEventArgs(
service, (flags & ServiceFlags.MoreComing) != 0);
if ((flags & ServiceFlags.Add) != 0)
{
lock (service_table) {
if (service_table.ContainsKey(name))
{
service_table[name] = service;
}
else
{
service_table.Add(name, service);
}
}
ServiceBrowseEventHandler handler = ServiceAdded;
if (handler != null)
{
handler(this, args);
}
}
else
{
lock (service_table) {
if (service_table.ContainsKey(name))
{
service_table.Remove(name);
}
}
ServiceBrowseEventHandler handler = ServiceRemoved;
if (handler != null)
{
handler(this, args);
}
}
}
public void Stop()
{
if (sd_ref != ServiceRef.Zero)
{
sd_ref.Deallocate();
sd_ref = ServiceRef.Zero;
}
if (thread != null)
{
thread.Abort();
thread = null;
}
}
private static void OnResolveReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, string hosttarget, ushort port, ushort txtLen,
IntPtr txtRecord, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var browseService = handle.Target as BrowseService;
browseService.is_resolved = true;
browseService.resolve_pending = false;
browseService.InterfaceIndex = interfaceIndex;
browseService.FullName = fullname;
browseService.port = port;
browseService.TxtRecord = new TxtRecord(txtLen, txtRecord);
sdRef.Deallocate();
// Run an A query to resolve the IP address
ServiceRef sd_ref;
if (browseService.AddressProtocol == AddressProtocol.Any || browseService.AddressProtocol == AddressProtocol.IPv4)
{
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A, ServiceClass.IN, browseService.query_record_reply_handler, context);
if (error != ServiceError.NoError)
{
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
if (browseService.AddressProtocol == AddressProtocol.Any || browseService.AddressProtocol == AddressProtocol.IPv6)
{
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.AAAA, ServiceClass.IN, browseService.query_record_reply_handler, context);
if (error != ServiceError.NoError)
{
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
}
private void OnResolveReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, string hosttarget, ushort port, ushort txtLen,
IntPtr txtRecord, IntPtr contex)
{
is_resolved = true;
resolve_pending = false;
InterfaceIndex = interfaceIndex;
FullName = fullname;
this.port = port;
TxtRecord = new TxtRecord(txtLen, txtRecord);
sdRef.Deallocate();
// Run an A query to resolve the IP address
ServiceRef sd_ref;
if (AddressProtocol == AddressProtocol.Any || AddressProtocol == AddressProtocol.IPv4)
{
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A, ServiceClass.IN, query_record_reply_handler, IntPtr.Zero);
if (error != ServiceError.NoError)
{
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
if (AddressProtocol == AddressProtocol.Any || AddressProtocol == AddressProtocol.IPv6)
{
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.AAAA, ServiceClass.IN, query_record_reply_handler, IntPtr.Zero);
if (error != ServiceError.NoError)
{
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
}
private void OnRegisterReply(ServiceRef sdRef, ServiceFlags flags, ServiceError errorCode,
string name, string regtype, string domain, IntPtr context)
{
RegisterServiceEventArgs args = new RegisterServiceEventArgs();
args.Service = this;
args.IsRegistered = false;
args.ServiceError = (ServiceErrorCode)errorCode;
if(errorCode == ServiceError.NoError) {
Name = name;
RegType = regtype;
ReplyDomain = domain;
args.IsRegistered = true;
}
RegisterServiceEventHandler handler = Response;
if(handler != null) {
handler(this, args);
}
}
public static extern ServiceError DNSServiceQueryRecord(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, string fullname, ServiceType rrtype, ServiceClass rrclass,
DNSServiceQueryRecordReply callBack, IntPtr context);
public static extern ServiceError DNSServiceRegister(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, byte[] name, string regtype, string domain, string host, ushort port,
ushort txtLen, byte [] txtRecord, DNSServiceRegisterReply callBack, IntPtr context);
public static extern ServiceError DNSServiceResolve(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, byte[] name, string regtype, string domain, DNSServiceResolveReply callBack,
IntPtr context);
public static extern ServiceError DNSServiceCreateConnection(out ServiceRef sdRef);
public static extern ServiceError DNSServiceResolve(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, string name, string regtype, string domain, DNSServiceResolveReply callBack,
IntPtr context);
private void OnBrowseReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex, ServiceError errorCode,
string serviceName, string regtype, string replyDomain, IntPtr context)
{
BrowseService service = new BrowseService();
service.Flags = flags;
service.Name = serviceName;
service.RegType = regtype;
service.ReplyDomain = replyDomain;
service.InterfaceIndex = interfaceIndex;
service.AddressProtocol = address_protocol;
ServiceBrowseEventArgs args = new ServiceBrowseEventArgs(
service, (flags & ServiceFlags.MoreComing) != 0);
if((flags & ServiceFlags.Add) != 0) {
lock (service_table) {
if (service_table.ContainsKey (serviceName)) {
service_table[serviceName] = service;
} else {
service_table.Add (serviceName, service);
}
}
ServiceBrowseEventHandler handler = ServiceAdded;
if(handler != null) {
handler(this, args);
}
} else {
lock (service_table) {
if (service_table.ContainsKey (serviceName)) {
service_table.Remove (serviceName);
}
}
ServiceBrowseEventHandler handler = ServiceRemoved;
if(handler != null) {
handler(this, args);
}
}
}
private static void OnQueryRecordReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, ServiceType rrtype, ServiceClass rrclass, ushort rdlen,
IntPtr rdata, uint ttl, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var browseService = handle.Target as BrowseService;
switch (rrtype)
{
case ServiceType.A:
IPAddress address;
if (rdlen == 4)
{
// ~4.5 times faster than Marshal.Copy into byte[4]
uint address_raw = (uint)(Marshal.ReadByte(rdata, 3) << 24);
address_raw |= (uint)(Marshal.ReadByte(rdata, 2) << 16);
address_raw |= (uint)(Marshal.ReadByte(rdata, 1) << 8);
address_raw |= (uint)Marshal.ReadByte(rdata, 0);
address = new IPAddress(address_raw);
}
else if (rdlen == 16)
{
byte [] address_raw = new byte[rdlen];
Marshal.Copy(rdata, address_raw, 0, rdlen);
address = new IPAddress(address_raw, interfaceIndex);
}
else
{
break;
}
if (browseService.hostentry == null)
{
browseService.hostentry = new IPHostEntry();
browseService.hostentry.HostName = browseService.hosttarget;
}
if (browseService.hostentry.AddressList != null)
{
ArrayList list = new ArrayList(browseService.hostentry.AddressList);
list.Add(address);
browseService.hostentry.AddressList = list.ToArray(typeof(IPAddress)) as IPAddress [];
}
else
{
browseService.hostentry.AddressList = new IPAddress [] { address };
}
Log.To.Discovery.V(Tag, "Query record reply received for {0} (0x{1})", browseService, sdRef.Raw.ToString("X"));
ServiceResolvedEventHandler handler = browseService._resolved;
if (handler != null)
{
handler(browseService, new ServiceResolvedEventArgs(browseService));
}
break;
case ServiceType.TXT:
if (browseService.TxtRecord != null)
{
browseService.TxtRecord.Dispose();
}
browseService.TxtRecord = new TxtRecord(rdlen, rdata);
break;
default:
break;
}
sdRef.Deallocate();
}
private static void OnQueryRecordReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, ServiceType rrtype, ServiceClass rrclass, ushort rdlen,
IntPtr rdata, uint ttl, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var browseService = handle.Target as BrowseService;
switch(rrtype) {
case ServiceType.A:
IPAddress address;
if(rdlen == 4) {
// ~4.5 times faster than Marshal.Copy into byte[4]
uint address_raw = (uint)(Marshal.ReadByte (rdata, 3) << 24);
address_raw |= (uint)(Marshal.ReadByte (rdata, 2) << 16);
address_raw |= (uint)(Marshal.ReadByte (rdata, 1) << 8);
address_raw |= (uint)Marshal.ReadByte (rdata, 0);
address = new IPAddress(address_raw);
} else if(rdlen == 16) {
byte [] address_raw = new byte[rdlen];
Marshal.Copy(rdata, address_raw, 0, rdlen);
address = new IPAddress(address_raw, interfaceIndex);
} else {
break;
}
if(browseService.hostentry == null) {
browseService.hostentry = new IPHostEntry();
browseService.hostentry.HostName = browseService.hosttarget;
}
if(browseService.hostentry.AddressList != null) {
ArrayList list = new ArrayList(browseService.hostentry.AddressList);
list.Add(address);
browseService.hostentry.AddressList = list.ToArray(typeof(IPAddress)) as IPAddress [];
} else {
browseService.hostentry.AddressList = new IPAddress [] { address };
}
Log.To.Discovery.V(Tag, "Query record reply received for {0} (0x{1})", browseService, sdRef.Raw.ToString("X"));
ServiceResolvedEventHandler handler = browseService._resolved;
if(handler != null) {
handler(browseService, new ServiceResolvedEventArgs(browseService));
}
break;
case ServiceType.TXT:
if(browseService.TxtRecord != null) {
browseService.TxtRecord.Dispose();
}
browseService.TxtRecord = new TxtRecord(rdlen, rdata);
break;
default:
break;
}
sdRef.Deallocate();
}
private static void OnResolveReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, string hosttarget, ushort port, ushort txtLen,
IntPtr txtRecord, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var browseService = handle.Target as BrowseService;
Log.To.Discovery.V(Tag, "Resolve reply received for {0} (0x{1}), entering DNSServiceQueryRecord next",
browseService, sdRef.Raw.ToString("X"));
browseService.is_resolved = true;
browseService.resolve_pending = false;
browseService.InterfaceIndex = interfaceIndex;
browseService.FullName = fullname;
browseService.Port = (ushort)IPAddress.NetworkToHostOrder((short)port);
browseService.TxtRecord = new TxtRecord(txtLen, txtRecord);
sdRef.Deallocate();
// Run an A query to resolve the IP address
ServiceRef sd_ref;
if (browseService.AddressProtocol == AddressProtocol.Any || browseService.AddressProtocol == AddressProtocol.IPv4) {
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A, ServiceClass.IN, browseService.query_record_reply_handler, context);
if(error != ServiceError.NoError) {
Log.To.Discovery.W(Tag, "Error in DNSServiceQueryRecord {0}", error);
browseService.Error(browseService, new ServiceErrorEventArgs("ResolveReply (IPv4)", error));
sd_ref.Deallocate();
return;
}
sd_ref.ProcessSingle(ServiceParams.Timeout);
}
if (browseService.AddressProtocol == AddressProtocol.Any || browseService.AddressProtocol == AddressProtocol.IPv6) {
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.AAAA, ServiceClass.IN, browseService.query_record_reply_handler, context);
if(error != ServiceError.NoError) {
if(error != ServiceError.NoError) {
Log.To.Discovery.W(Tag, "Error in DNSServiceQueryRecord {0}", error);
browseService.Error(browseService, new ServiceErrorEventArgs("ResolveReply (IPv6)", error));
sd_ref.Deallocate();
return;
}
}
sd_ref.ProcessSingle(ServiceParams.Timeout);
}
}
private void OnRegisterReply(ServiceRef sdRef, ServiceFlags flags, ServiceError errorCode,
string name, string regtype, string domain, IntPtr context)
{
RegisterServiceEventArgs args = new RegisterServiceEventArgs();
args.Service = this;
args.IsRegistered = false;
args.ServiceError = (ServiceErrorCode)errorCode;
if(errorCode == ServiceError.NoError) {
Name = name;
RegType = regtype;
ReplyDomain = domain;
args.IsRegistered = true;
}
RegisterServiceEventHandler handler = Response;
if(handler != null) {
handler(this, args);
}
}
public static extern ServiceError DNSServiceQueryRecord(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, string fullname, ServiceType rrtype, ServiceClass rrclass,
DNSServiceQueryRecordReply callBack, IntPtr context);
private void OnResolveReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, string hosttarget, ushort port, ushort txtLen,
IntPtr txtRecord, IntPtr contex)
{
is_resolved = true;
resolve_pending = false;
InterfaceIndex = interfaceIndex;
FullName = fullname;
this.port = port;
TxtRecord = new TxtRecord(txtLen, txtRecord);
sdRef.Deallocate();
// Run an A query to resolve the IP address
ServiceRef sd_ref;
if (AddressProtocol == AddressProtocol.Any || AddressProtocol == AddressProtocol.IPv4) {
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A, ServiceClass.IN, query_record_reply_handler, IntPtr.Zero);
if(error != ServiceError.NoError) {
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
// RichardF: fix
//http://bryanprice.info/2011/01/29/mono-zeroconf-on-windows/
if (/*AddressProtocol == AddressProtocol.Any || */ AddressProtocol == AddressProtocol.IPv6) {
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A6, ServiceClass.IN, query_record_reply_handler, IntPtr.Zero);
if(error != ServiceError.NoError) {
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
}
private static void OnRegisterReply(ServiceRef sdRef, ServiceFlags flags, ServiceError errorCode,
string name, string regtype, string domain, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var registerService = handle.Target as RegisterService;
RegisterServiceEventArgs args = new RegisterServiceEventArgs();
args.Service = registerService;
args.IsRegistered = false;
args.ServiceError = (ServiceErrorCode)errorCode;
if(errorCode == ServiceError.NoError) {
registerService.Name = name;
registerService.RegType = regtype;
registerService.ReplyDomain = domain;
args.IsRegistered = true;
}
RegisterServiceEventHandler handler = registerService.Response;
if(handler != null) {
handler(registerService, args);
}
}
private static void OnBrowseReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex, ServiceError errorCode,
string serviceName, string regtype, string replyDomain, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var serviceBrowser = handle.Target as ServiceBrowser;
BrowseService service = new BrowseService();
service.Flags = flags;
service.Name = serviceName;
service.RegType = regtype;
service.ReplyDomain = replyDomain;
service.InterfaceIndex = interfaceIndex;
service.AddressProtocol = serviceBrowser.address_protocol;
Log.To.Discovery.V(TAG, "{0} (0x{1}) entered OnBrowseReply (found={2} flags={3})",
serviceBrowser, sdRef.Raw.ToString("X"), service, flags);
ServiceBrowseEventArgs args = new ServiceBrowseEventArgs(
service, (flags & ServiceFlags.MoreComing) != 0);
if((flags & ServiceFlags.Add) != 0) {
lock (serviceBrowser.service_table) {
if (serviceBrowser.service_table.ContainsKey (serviceName)) {
serviceBrowser.service_table[serviceName] = service;
} else {
serviceBrowser.service_table.Add (serviceName, service);
}
}
ServiceBrowseEventHandler handler = serviceBrowser._serviceAdded;
if(handler != null) {
handler(serviceBrowser, args);
}
} else {
lock (serviceBrowser.service_table) {
if (serviceBrowser.service_table.ContainsKey (serviceName)) {
serviceBrowser.service_table.Remove (serviceName);
}
}
ServiceBrowseEventHandler handler = serviceBrowser._serviceRemoved;
if(handler != null) {
handler(serviceBrowser, args);
}
service.Dispose();
}
}
public static extern ServiceError DNSServiceCreateConnection(out ServiceRef sdRef);
private void OnQueryRecordReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, ServiceType rrtype, ServiceClass rrclass, ushort rdlen,
IntPtr rdata, uint ttl, IntPtr context)
{
switch (rrtype)
{
case ServiceType.A:
IPAddress address;
if (rdlen == 4)
{
// ~4.5 times faster than Marshal.Copy into byte[4]
uint address_raw = (uint)(Marshal.ReadByte(rdata, 3) << 24);
address_raw |= (uint)(Marshal.ReadByte(rdata, 2) << 16);
address_raw |= (uint)(Marshal.ReadByte(rdata, 1) << 8);
address_raw |= (uint)Marshal.ReadByte(rdata, 0);
address = new IPAddress(address_raw);
}
else if (rdlen == 16)
{
byte [] address_raw = new byte[rdlen];
Marshal.Copy(rdata, address_raw, 0, rdlen);
address = new IPAddress(address_raw, interfaceIndex);
}
else
{
break;
}
if (hostentry == null)
{
hostentry = new IPHostEntry();
hostentry.HostName = hosttarget;
}
if (hostentry.AddressList != null)
{
ArrayList list = new ArrayList(hostentry.AddressList);
list.Add(address);
hostentry.AddressList = list.ToArray(typeof(IPAddress)) as IPAddress [];
}
else
{
hostentry.AddressList = new IPAddress [] { address };
}
ServiceResolvedEventHandler handler = Resolved;
if (handler != null)
{
handler(this, new ServiceResolvedEventArgs(this));
}
break;
case ServiceType.TXT:
if (TxtRecord != null)
{
TxtRecord.Dispose();
}
TxtRecord = new TxtRecord(rdlen, rdata);
break;
default:
break;
}
sdRef.Deallocate();
}
private static void OnResolveReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, string hosttarget, ushort port, ushort txtLen,
IntPtr txtRecord, IntPtr context)
{
var handle = GCHandle.FromIntPtr(context);
var browseService = handle.Target as BrowseService;
browseService.is_resolved = true;
browseService.resolve_pending = false;
browseService.InterfaceIndex = interfaceIndex;
browseService.FullName = fullname;
browseService.Port = (ushort)IPAddress.NetworkToHostOrder((short)port);
browseService.TxtRecord = new TxtRecord(txtLen, txtRecord);
sdRef.Deallocate();
// Run an A query to resolve the IP address
ServiceRef sd_ref;
if (browseService.AddressProtocol == AddressProtocol.Any || browseService.AddressProtocol == AddressProtocol.IPv4) {
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A, ServiceClass.IN, browseService.query_record_reply_handler, context);
if(error != ServiceError.NoError) {
throw new ServiceErrorException(error);
}
sd_ref.Process(ServiceParams.Timeout);
}
if (browseService.AddressProtocol == AddressProtocol.Any || browseService.AddressProtocol == AddressProtocol.IPv6) {
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.AAAA, ServiceClass.IN, browseService.query_record_reply_handler, context);
if(error != ServiceError.NoError) {
throw new ServiceErrorException(error);
}
sd_ref.Process(ServiceParams.Timeout);
}
}
public void Stop()
{
if(sd_ref != ServiceRef.Zero) {
sd_ref.Deallocate();
sd_ref = ServiceRef.Zero;
}
if(thread != null) {
thread.Abort();
thread = null;
}
}
private void OnResolveReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, string hosttarget, ushort port, ushort txtLen,
IntPtr txtRecord, IntPtr contex)
{
is_resolved = true;
resolve_pending = false;
InterfaceIndex = interfaceIndex;
FullName = fullname;
this.port = (ushort)IPAddress.NetworkToHostOrder((short)port);
TxtRecord = new TxtRecord(txtLen, txtRecord);
sdRef.Deallocate();
// Run an A query to resolve the IP address
ServiceRef sd_ref;
if (AddressProtocol == AddressProtocol.Any || AddressProtocol == AddressProtocol.IPv4) {
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A, ServiceClass.IN, query_record_reply_handler, IntPtr.Zero);
if(error != ServiceError.NoError) {
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
if (AddressProtocol == AddressProtocol.Any || AddressProtocol == AddressProtocol.IPv6) {
ServiceError error = Native.DNSServiceQueryRecord(out sd_ref, ServiceFlags.None, interfaceIndex,
hosttarget, ServiceType.A6, ServiceClass.IN, query_record_reply_handler, IntPtr.Zero);
if(error != ServiceError.NoError) {
throw new ServiceErrorException(error);
}
sd_ref.Process();
}
}
private void OnQueryRecordReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, ServiceType rrtype, ServiceClass rrclass, ushort rdlen,
IntPtr rdata, uint ttl, IntPtr context)
{
switch(rrtype) {
case ServiceType.A:
IPAddress address;
if(rdlen == 4) {
// ~4.5 times faster than Marshal.Copy into byte[4]
uint address_raw = (uint)(Marshal.ReadByte (rdata, 3) << 24);
address_raw |= (uint)(Marshal.ReadByte (rdata, 2) << 16);
address_raw |= (uint)(Marshal.ReadByte (rdata, 1) << 8);
address_raw |= (uint)Marshal.ReadByte (rdata, 0);
address = new IPAddress(address_raw);
} else if(rdlen == 16) {
byte [] address_raw = new byte[rdlen];
Marshal.Copy(rdata, address_raw, 0, rdlen);
address = new IPAddress(address_raw, interfaceIndex);
} else {
break;
}
if(hostentry == null) {
hostentry = new IPHostEntry();
hostentry.HostName = hosttarget;
}
if(hostentry.AddressList != null) {
ArrayList list = new ArrayList(hostentry.AddressList);
list.Add(address);
hostentry.AddressList = list.ToArray(typeof(IPAddress)) as IPAddress [];
} else {
hostentry.AddressList = new IPAddress [] { address };
}
ServiceResolvedEventHandler handler = Resolved;
if(handler != null) {
handler(this, new ServiceResolvedEventArgs(this));
}
break;
case ServiceType.TXT:
if(TxtRecord != null) {
TxtRecord.Dispose();
}
TxtRecord = new TxtRecord(rdlen, rdata);
break;
default:
break;
}
sdRef.Deallocate();
}
public static extern ServiceError DNSServiceRegister(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, string name, string regtype, string domain, string host, ushort port,
ushort txtLen, byte [] txtRecord, DNSServiceRegisterReply callBack, IntPtr context);
